snip
This. But with fewer paragraphs (

If the cars punched a bigger hole in the air, then the slipstream would be worth a damn. But they don't punch a big hole in the air, because they're now more than ever designed like darts - long wheelbase, narrow bodywork. Now of course, the very same act of punching a large hole in the air increases the problem of following another car in the turns. Which is why the sport needs ******* ground effect.